Ball point pen



FIG. 1 is a top perspective view of a ball point pen;

FIG. 2 is a right side view of the pen of FIG. 1; the left new side being opposite to the right side view;

FIG. 3 is a front of the pen of FIG. 1;

FIG. 4 is a rear view of the pen of FIG. 1;

FIG. 5 is a top plan view of the pen of FIG. 1; and,

FIG. 6 is a bottom plan view of the pen of FIG. 1. 

The ornamental design for a ball point pen, as shown and described. 